D.23. indications.conf
The indications.conf file is used to tell Asterisk
how to generate the various telephone sounds common in different
parts of the worlda dial tone in England sounds very different from
a dial tone in Canada, but your Asterisk system will be pleased to
make the sounds you want to hear. This file consists of a list of
sounds a telephone system might need to produce (dial tone, busy
signals, and so forth), followed by the frequencies used to
generate those sounds.
By default (and without an indications.conf file), Asterisk will use the
tones common in North America. You can change the default country
for your system by specifying the two-letter country code in the
[general] section. Supported country codes are listed in
the indications.conf.sample file
located in /usr/src/asterisk/configs. If you have the
required information, your country can easily be added. Here's what
the configuration for North America looks like:
[general]
country=us
;
[us]
description = United States / North America
ringcadance = 2000,4000
dial = 350+440
busy = 480+620/500,0/500
ring = 440+480/2000,0/4000
congestion = 480+620/250,0/250
callwaiting = 440/300,0/10000
dialrecall = !350+440/100,!0/100,!350+440/100,!0/100,!350+440/100,!0/100,350+440
record = 1400/500,0/15000
info = !950/330,!1400/330,!1800/330,0
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